20 Terms
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Geology
The science that comprises the study of the solid Earth and the processes by which it is shaped and changed.
Industry: Earth science
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Geology
Flood plain
Earth science; Geology
A relatively flat surface next to a stream. During floods, when the stream overflows its banks, water flows over the flood plain. Streams construct flood plains that accommodate their maximum flood ...
Gravel
Earth science; Geology
All sedimentary particles larger than two millimetres is called gravel. Gravel is subdivided into pebbles, cobbles, and boulders.
Focus
Earth science; Geology
The location where an earthquake begins. Rock ruptures at this spot, then seismic waves radiate outward in all directions.
Greenstone
Earth science; Geology
A metamorphic rock derived from basalt or chemically equivalent rock such as gabbro. Greenstones contain sodium-rich plagioclase feldspar, chlorite, and epidote, as well as quartz. The chlorite and ...
Borrow pit
Earth science; Geology
A pit or excavation area used for gathering earth materials (borrow) such as sand or gravel.
Ground water
Earth science; Geology
Water found beneath the Earth's surface where all empty space in the rock is completely filled with water.
